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Find the minimum and maximum of f(x,y,z)=x^2+y^2+z^2 subject to two constraints, x+2y+z=4 and x-y=8.
answered Dec 24, 2018
5 votes
197k views
Look at the graph of this system of equations: y = - x2 + 1 and y = x2. At which approximate points are the two equations equal?
answered Oct 12, 2018
4 votes
26.1k views
One geographic feature that is not a barrier between the coastal and interior regions of North Africa is _____. A.high plateausB.mountainsC.navigable riversD.deserts
answered Sep 11, 2018
7 votes
29.9k views
Which of the following could be a topic for an informative speech? how to change the oil in your car a speech at a retirement celebration reasons to visit California on summer vacation why seat belts should
answered May 25, 2018
5 votes
124k views
Which of these is the responsibility of public health? A. Drug prescriptions B. Disease diagnosis C. Disease reporting D. Self-exams for breast and testicular cancer
answered Mar 6, 2018
6 votes
124k views
The coordinates of rectangle PQRS are P(1,6),Q(1,2),R(9,2) and S(9,6). Show that the diagonals are equal in length.
answered Jan 30, 2018
1 vote
197k views
How would you spell the word that adds the suffix -es to the word scurry
answered Jan 22, 2018
1 vote
101k views
67x0.3=? i am having trouble figuring this out can someone explain to me how?
answered Nov 22, 2017
4 votes
211k views
Plzzz help me a cylinder has a radius of 13 cm and a height of 22 cm what is its surface area?
answered Oct 13, 2017
3 votes
230k views
A glacier forms in an area where more snow falls than _____
answered May 27, 2017
4 votes
230k views
Which indicator would best distinguish between a solution with a pH of 3.5 and a solution with a pH of 5.5? (1) bromthymol blue (3) litmus (2) bromcresol green (4) thymol blue
answered May 3, 2017
4 votes
174k views
Which of the following is a composite number? A. 29 B. 13 C. 91 D. 139
answered Feb 11, 2017
4 votes
191k views
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